Excerpt from Minutes of Proceedings of the Institution of Civil Engineers, Vol. 108: With Others Selected and Abstracted Papers Vol. Cv11., pp. 132-170, discussion on Portland Cement. The pages giving references to the Papers have been inadvertently allowed to remain unaltered from the pamphlet edition of this article. The correct paging can be found by adding 28 to the figures given; thus, at p. 132, line 20, for p. 63, read p. And so on. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.